323111320222321 has 4 divisors (see below), whose sum is σ = 323111408475712. Its totient is φ = 323111231968932.

The previous prime is 323111320222309. The next prime is 323111320222363. The reversal of 323111320222321 is 123222023111323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 323111320222321 - 2²⁵ = 323111286667889 is a prime.

It is a super-2 number, since 2×323111320222321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323111320222321.

It is not an unprimeable number, because it can be changed into a prime (323111320225321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38385981 + ... + 46040266.

It is an arithmetic number, because the mean of its divisors is an integer number (80777852118928).

Almost surely, 2^{323111320222321} is an apocalyptic number.

It is an amenable number.

323111320222321 is a deficient number, since it is larger than the sum of its proper divisors (88253391).

323111320222321 is an equidigital number, since it uses as much as digits as its factorization.

323111320222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88253390.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 323111320222321 its reverse (123222023111323), we get a palindrome (446333343333644).

The spelling of 323111320222321 in words is "three hundred twenty-three trillion, one hundred eleven billion, three hundred twenty million, two hundred twenty-two thousand, three hundred twenty-one".